What is the key concept for this section? What are the two main approaches used by governments to influence food production? How have governments used subsidies to influence food production and what...

What is the key concept for this section? What are the two main approaches used by governments to influence food production? How have governments used subsidies to influence food production and what have been some of their effects? What are two other ways in which organizations are improving food security? Explain three of the benefits of buying locally grown food. When it is not a good choice? How can urban farming help to increase food security? According to Lester Brown, how can we meet the challenges of improving food security?